Funding for this research was provided by:
Hong Kong Jockey Club Charity Fund (6904735, 6904735, 6904735)
Innovation and Technology Fund – Public Sector Trial Scheme for the Prevention and Control of Coronavirus Disease 2019 in Hong Kong (6905687, 6905687, 6905687)
Received: 7 February 2022
Accepted: 25 October 2022
First Online: 8 December 2022
: This study was approved by The Joint Chinese University of Hong Kong-New Territories East Cluster Clinical Research Ethics Committee (CREC Ref.No.: 2019.377-T and 2020.538-T). This trial was designed following the principle of the Declaration of Helsinki. All recruited subjects read and signed consent form before participation.
: The person with stroke problem in Fig. InternalRef removeda has consented to the publication of the photograph.
: The authors declare that they have no competing interests.